BIO-key PortalGuard vs Telesign SMS Verify: side-by-side comparison (2026)
BIO-key PortalGuard is a commercial MFA & passwordless solution by BIO-key International. Telesign SMS Verify is a commercial MFA & passwordless solution by Telesign. Features, integrations, deployment and the company behind each one, side by side.
Zero Trust IAM platform with MFA, SSO, passwordless auth, and SSPR.
SMS-based identity verification and MFA using one-time passcodes (OTPs)
Side-by-side comparison
Feature
BIO-key PortalGuard
Telesign SMS Verify
Pricing model
Commercial
Commercial
Category
MFA & Passwordless
MFA & Passwordless
Deployment and fit
Deployment type
Cloud
Cloud
Company size fit
Mid-Market, Enterprise
Startup, SMB, Mid-Market, Enterprise
Company
Company
BIO-key International
Telesign
Use cases and capabilities
MFA
Yes
Yes
SSO
Yes
No
Authentication
Yes
Yes
Single Sign On
Yes
No
Core features
8 features listed
10 features listed
Integrations
2 integrations listed
No integrations listed
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